<!DOCTYPE html>
<html lang="zh-CN">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <script>
      let obj = {
        name: 'kobe',
        age: 38,
        sex: 'male',
      }
      // 第二个参数称为replacer
      let result = JSON.stringify(obj, function (key, value) {
        console.log(key, value)
        return value
      })
      console.log(result)
    </script>
  </body>
</html>
